# Premmerce Product Filter for WooCommerce <= 3.8.2 - Authenticated (Subscriber+) Missing Authorization to Taxonomy Term Disclosure

- **ID:** WPSEC-2026-0599
- **Plugin:** Premmerce Product Filter for WooCommerce (`premmerce-woocommerce-product-filter`), https://wordpress.org/plugins/premmerce-woocommerce-product-filter/
- **Affected versions:** from 3.4.0 before 3.8.3
- **Fixed in:** 3.8.3 (Update to 3.8.3 or later.)
- **Severity:** Medium 4.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
- **Weakness:** CWE-862
- **Usage among sites WPSec scans:** plugin Low, affected versions Low (as of 2026-10-07)
- **Attack surface analysis:** https://attacksurface.wpsec.com/plugin/premmerce-woocommerce-product-filter
- **Fix released:** 2026-10-06
- **Published:** 2026-10-07
- **URL:** https://wpsec.com/vuln/WPSEC-2026-0599/

## Description

The Premmerce Product Filter for WooCommerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the get_taxonomy_terms AJAX action in versions 3.4.0 up to, and including, 3.8.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to retrieve the IDs, names and slugs of terms across the site's taxonomies, including terms of non-public taxonomies and terms that have no content assigned.

## References

- https://wpsec.com/vuln/WPSEC-2026-0599/
- https://plugins.svn.wordpress.org/premmerce-woocommerce-product-filter/tags/3.8.3/
- https://wordpress.org/plugins/premmerce-woocommerce-product-filter/

Source: WPSec, https://wpsec.com/vuln/WPSEC-2026-0599/

License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Free to use, share and adapt, also commercially, if you credit WPSec and link to this advisory.